procreationist

rare

(rare) Someone who believes that sexual activity should only be done for the purpose of procreation.

Japanese Meaning

（まれな用法）性的行動は生殖のみを目的とすべきだと信じる人

As a self-described procreationist, he argued that sexual intimacy should be reserved solely for starting a family.

自称、性行為は生殖のためにのみ行うべきだと信じる人である彼は、性的な親密さは家族を持つためにのみ取っておくべきだと主張した。

Sense（1）

(rare) Someone who believes that sexual activity should only be done for the purpose of procreation.

procreationists

（ plural ）